Placeholder
Pseudo-element::placeholderStyles the placeholder text of form input elements.
Example
input::placeholder {
color: #999;
font-style: italic;
}
textarea::placeholder {
opacity: 0.7;
}Specificity
0-0-1
Browser Support
All browsers
About the Placeholder
The ::placeholder CSS selector belongs to the Pseudo-element category.Styles the placeholder text of form input elements. Understanding CSS selector specificity and combinators is essential for writing maintainable stylesheets that behave predictably.
The specificity of this selector is 0-0-1. CSS specificity determines which styles are applied when multiple rules target the same element. Higher specificity values take precedence. The specificity hierarchy from lowest to highest is: universal (*) → type/element → class/attribute/pseudo-class → ID → inline styles → !important.
Browser support for Placeholder is: All browsers. When using newer CSS selectors like :has(), :is(), or CSS nesting, consider providing fallback styles for older browsers. Use @supports to progressively enhance your stylesheets with modern features while maintaining backward compatibility.